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Cisco ASA 5500 Series Adaptive Security Appliances

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Whether you have a small business with a single location, or a large enterprise with multiple branch offices, you need a firewall that provides the performance and cost that fits the needs of a small office, yet delivers enterprise-strength security without compromise.

The ASA 5500 Series Adaptive Security Appliances were designed with this in mind. They are available in a wide range of sizes and performance levels to fit your network and budget, while offering the same proven level of security that protects some of the largest networks at some of the most security conscious companies in the world. Read more about the ASA 5500 Series for small offices and branch offices.

Cisco ASA Model ASA 5505 ASA 5510 ASA 5512-X ASA 5515-X
Firewall Throughput (Max)1 150 Mbps 300 Mbps 1 Gbps 1.2 Gbps
Firewall Throughput (Multi-Protocol) - - 500 Mbps 600 Mbps
Concurrent Threat Mitigation Throughput (Firewall + IPS Services) 75 Mbps with AIP SSC-5 150 Mbps with AIP SSM-10; 300 Mbps with AIP SSM-20 250 Mbps 400 Mbps
Maximum Firewall Connections 10,000 /25,000 50,000 /130,000 100,000 250,000
Maximum Firewall Connections/Second 4,000 9,000 10,000 15,000
Packets per second (64 byte) 85,000 190,000 450,000 500,000
Maximum 3DES/AES VPN Throughput2 100 Mbps 170 Mbps 200 Mbps 250 Mbps
Maximum Site-to-Site and IPsec IKEv1 Client VPN User Sessions 10/25 250 250 250
Maximum AnyConnect or Clientless VPN User Sessions 25 250 250 250
Bundled SSL VPN User Sessions 2 2 2 2
VLANs 3 (trunking disabled) /20 (trunking enabled) 50 / 100 50 100
High-Availability Support3 Not supported A/A and A/S Not supported A/A and A/S

1 Maximum throughput measured under ideal test conditions
2VPN throughput and sessions count depend on the ASA device configuration and VPN traffic patterns. These elements should be taken in to consideration as part of your capacity planning
3 A/A = Active/Active; A/S = Active/Standby


Whether you have a small business with single location, or a large enterprise with multiple branch offices, you need a firewall that provides the performance and cost that fits the needs of a small office, yet delivers enterprise-strength security without compromise.

The ASA 5500 Series Adaptive Security Appliances were designed with this in mind. They are available in a wide range of sizes and performance levels to fit your network and budget, while offering the same proven level of security that protects some of the largest networks at some of the most security-conscious companies in the world. Read more about the ASA 5500 Series for the Internet edge.

Cisco ASA Model ASA 5520 ASA 5525-X ASA 5540 ASA 5545-X ASA 5550 ASA 5555-X
Firewall Throughput (Max)1 450 Mbps 2 Gbps 650 Mbps 3 Gbps 1.2 Gbps 4 Gbps
Firewall Throughput (Multi-Protocol) - 1 Gbps - 1.5 Gbps - 2 Gbps
Concurrent Threat Mitigation Throughput (Firewall + IPS Services) 225 Mbps with AIP SSM-10; 375 Mbps with AIP SSM-20; 450 Mbps with AIP SSM-40 600 Mbps 500 Mbps wth AIP SSM-20; 650 Mbps with AIP SSM-40 900 Mbps Not Available 1.3 Gbps
Maximum Firewall Connections 280,000 500,000 400,000 750,000 650,000 1,000,000
Maximum Firewall Connections/Second 12,000 20,000 25,000 30,000 33,000 50,000
Packets per second (64 byte) 320,000 700,000 500,000 900,000 600,000 1,100,000
Maximum 3DES/AES VPN Throughput2 225 Mbps 300 Mbps 325 Mbps 400 Mbps 425 Mbps 700 Mbps
Maximum Site-to-Site and IPsec IKEv1 Client VPN User Sessions 750 750 5,000 2,500 5,000 5,000
Maximum AnyConnect or Clientless VPN User Sessions 750 750 2,500 2,500 5,000 5,000
Bundled SSL VPN User Sessions 2 2 2 2 2 2
VLANs 150 200 200 300 400 500
High-Availability Support3 A/A and A/S A/A and A/S A/A and A/S A/A and A/S A/A and A/S A/A and A/S

1 Maximum throughput measured under ideal test conditions
2VPN throughput and sessions count depend on the ASA device configuration and VPN traffic patterns. These elements should be taken in to consideration as part of your capacity planning
3 A/A = Active/Active; A/S = Active/Standby

As borderless networks continue to evolve and applications become increasingly dynamic in nature, firewalls must be capable of spanning multiple platforms, technologies, and deployment scenarios - including physical and virtual platforms. Cisco offers a wide range of network security solutions to protect networks of all shapes and sizes. These solutions combine a leading-edge firewall with a full complement of security services to protect corporate networks while providing users with secure access to data - anytime, anywhere, using any device. Read more about the Cisco ASA 5500 Series for the Enterprise.

ASA 5585-X with SSP10 ASA 5585-X with SSP20 ASA 5585-X with SSP40 ASA 5585-X with SSP60 ASA Services Module
Firewall Throughput (Max)1 4 Gbps 10 Gbps 20 Gbps 40 Gbps 20 Gbps
Firewall Throughput (Multi-Protocol) 2 Gbps 5 Gbps 10 Gbps 20 Gbps 16 Gbps
Maximum Firewall Connections 1,000,000 2,000,000 4,000,000 10,000,000 10,000,000
Maximum Firewall Connections/Second 50,000 125,000 200,000 350,000 300,000
Packets Per Second (64 byte) 1,500,000 3,000,000 5,000,000 9,000,000 5,000,000
Maximum 3DES/AES VPN Throughput2 1 Gbps 2 Gbps 3 Gbps 5 Gbps Available mid CY2012
Maximum Site-to-Site and IPsec IKEv1 Client VPN User Sessions 5,000 10,000 10,000 10,000 Available mid CY2012
Maximum AnyConnect or Clientless VPN User Sessions 5,000 10,000 10,000 10,000 Available mid CY2012
Bundled SSL VPN User Session 2 2 2 2 Available mid CY2012
VLANs 1,024 1,024 1,024 1,024 1,000
High-Availability Support3 A/A and A/S A/A and A/S A/A and A/S A/A and A/S A/A and A/S

1 Maximum throughput measured under ideal test conditions
2VPN throughput and sessions count depend on the ASA device configuration and VPN traffic patterns. These elements should be taken in to consideration as part of your capacity planning
3 A/A = Active/Active; A/S = Active/Standby